EN-MC65120 Magnesium vs. 7003 Aluminum
EN-MC65120 magnesium belongs to the magnesium alloys classification, while 7003 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 7003 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 3.1 | |
| 11 |
| Fatigue Strength, MPa | 80 | |
| 130 to 150 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 92 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 350 to 390 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 300 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 590 | |
| 630 |
| Melting Onset (Solidus), °C | 520 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 870 |
| Thermal Conductivity, W/m-K | 100 | |
| 150 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 9.5 |
| Density, g/cm3 | 1.9 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 25 | |
| 8.1 |
| Embodied Energy, MJ/kg | 190 | |
| 150 |
| Embodied Water, L/kg | 930 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 | |
| 37 to 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 630 to 710 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 62 | |
| 47 |
| Strength to Weight: Axial, points | 23 | |
| 33 to 37 |
| Strength to Weight: Bending, points | 34 | |
| 37 to 40 |
| Thermal Diffusivity, mm2/s | 56 | |
| 59 |
| Thermal Shock Resistance, points | 9.8 | |
| 15 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.6 to 94.5 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 91.8 to 95.1 | |
| 0.5 to 1.0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Unspecified Rare Earths, % | 2.5 to 4.0 | |
| 0 |
| Zinc (Zn), % | 2.0 to 3.0 | |
| 5.0 to 6.5 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0.050 to 0.25 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |